User manual
7
RIGGING DETAILS
WARNING
T
O PREVENT PROPERTY DAMAGE, THE UNIT SHOULD REMAIN IN AN UPRIGHT
POSITION DURING ALL RIGGING AND MOVING OPERATIONS.
T
O FACILITATE
LIFTING AND MOVING WHEN A CRANE IS USED, PLACE THE UNIT IN AN
ADEQUATE CABLE SLING.
I
F
UNITS
ARE
LIFTED
TWO
AT
A
TIME
,
THE
FORK
HOLES
ON
THE
CONDENSER
END
OF
THE
UNIT
MUST
NOT
BE
USED
. M
INIMUM
FORK
LENGTH
IS
42”
TO
PREVENT
DAMAGE
TO
THE
UNIT
;
HOWEVER
, 48”
IS
RECOMMENDED
.
CAUTION
Provisions for forks have been included in the unit base frame. No other fork locations are approved.
WARNING
T
O PREVENT POSSIBLE EQUIPMENT DAMAGE, PROPERTY DAMAGE, PERSONAL
INJURY OR DEATH, THE FOLLOWING BULLET POINTS MUST BE OBSERVED
WHEN INSTALLING THE UNIT.
• Unit must be lifted by the four lifting holes located at the base frame corners.
• Lifting cables should be attached to the unit with shackles.
• The distance between the crane hook and the top of the unit must not be less than 60”.
• Two spreader bars must span over the unit to prevent damage to the cabinet by the lift cables. Spreader bars must
be of sufficient length so that cables do not come in contact with the unit during transport. Remove wood struts
mounted beneath unit base frame before setting unit on roof curb. These struts are intended to protect unit base
frame from fork lift damage. Removal is accomplished by extracting the sheet metal retainers and pulling the struts
through the base of the unit. Refer to rigging label on the unit.
Important: If using bottom discharge with roof curb, ductwork should be attached to the curb prior to installing the unit.
Ductwork dimensions are shown in Roof Curb Installation Instructions.
Refer to the Roof Curb Installation Instructions for proper curb installation. Curbing must be installed in compliance with the
National Roofing Contractors Association Manual.
Lower unit carefully onto roof mounting curb. While rigging unit, center of gravity will cause condenser end to be lower than
supply air end.
To assist in determining rigging requirements, unit weights are shown as follows: